Specifications Rated control voltage: 220 V AC (50/60 Hz) Max switching current: 10 A resistive / 3 A inductive @ 220 VAC Contact configuration: SPST single pole single throw Contact material: Silver alloy, anti-arcing for frequent switching Minimum switching load: 100 mA / 24 V AC Insulation resistance: ≥ 100 MΩ at 500 V DC Dielectric withstand voltage: 2000 V AC / 1 min Temperature Performance Sensing principle: Bimetallic strip mechanical actuation Standard adjustable temperature range options: WTR cooling type (fan trigger): 0 ~ +60 °C WTR heating type (heater trigger): -20 ~ +35 °C Temperature switching hysteresis: Approx. 7 K Temperature accuracy tolerance: ±3 K Wiring Mechanical Specs Terminal type: Screw clamp terminals Applicable wire cross-section: Solid 0.5–2.5 mm², multi-strand 0.5–1.5 mm² Recommended tightening torque: 0.4 ~ 0.6 N·m Wire stripping length: 7–8 mm Mechanical & Dimension Specs Mounting: Standard TS35 top hat DIN rail clip-on installation Overall dimensions (W × H × D): 34 mm × 62 mm × 44 mm Net weight: ~45 g Housing material: Black UL94 V-0 flame-retardant plastic Protection class: IP20 (for internal cabinet mounting only) Vibration resistance: 10–55 Hz, 1.5 mm amplitude per IEC 60068-2-6 Environmental Conditions Operating ambient temperature range: -40 °C ~ +70 °C Storage temperature: -40 °C ~ +80 °C Relative humidity: 5%–93% RH, non-condensing at 40°C Max operating altitude: ≤ 2000 m above sea level Mechanical service life: Min. 100,000 switching cycles Compliance & Certifications Markings: CE marked Environmental compliance: RoHS 2011/65/EU, REACH SVHC registered Compliance standards: EN 61010-1, EN 60947-5-1